【中文】对油桐籽压榨生产桐油。桐油是一种工业用途广泛的天然产品，具快干成膜、防水防腐特性，广泛用于涂料、油墨、树脂、农药及家具制造。注册商标「川桐」，年收购桐子约 5000 吨，可产桐油 1000 余吨。
【English】Tung oil is a natural product with a wide range of industrial uses, produced by pressing tung tree seeds. Registered trademark '川桐'. The company purchases about 5,000 tons of tung seeds annually, yielding over 1,000 tons of tung oil.